(123.6 M)Ogg Video (136.0 M)512Kb MPEG4 (358.2 M)MPEG4
Herb Gross makes sense out of the rules for subtracting signed numbers by using the profit and loss model for subtracting. This material and much more is also available online at www.adjectivenounmath.com.This movie is part of the collection: Community VideoProducer: Professor Herbert I. GrossAudio/Visual: sound, colorKeywords: Classic Algebra; Math As A Second Language; Herb Gross
Creative Commons license: Attribution-Noncommercial-No Derivative Works 3.0
Terms of Use (10 Mar 2001)